What was found
DURING PREFLIGHT HEARD AN ELECTRICAL POP AND SAW ELECTRICAL FLASH SOMEWHERE NEAR MASTER CAUTION AND VISOR, AFTERWARDS SMELLED ELECTRICAL BURNING FOR A MOMENT. DURING INSPECTION BEHIND CAPTAIN GLARESHIELD COVER, FOUND LH FWD WINDOW HEAT WIRE PINCHED WITH EXPOSED COPPER WIRE; REPAIRED WIRE PER SWPM 20-3-12. PERFORMED WINDOW HEAT OPS CK PER AMM 30-41-00. OPS CHECK GOOD NO FAULTS NOTED. WIRE NUMBER W2108-1002-18 BELOW L1 WINDOW.